/*

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* |     Smart-Shop开源商城系统/ Java商城-首选电商平台系统 请务必保留此注释头信息
* |     开源地址: https://gitee.com/ningbo-qishan/gruul-mall
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* |     Copyright (c) 2016-2999 宁波启山智软科技有限公司
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*/
package com.medusa.gruul.common.core.auth.client.filter;

import cn.hutool.core.util.StrUtil;
import com.medusa.gruul.common.core.auth.client.context.IPContextHolder;
import com.medusa.gruul.common.core.auth.model.constant.FilterOrders;
import com.medusa.gruul.common.core.auth.client.context.VersionContextHolder;
import com.medusa.gruul.common.core.auth.model.constant.Headers;
import lombok.extern.slf4j.Slf4j;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 当前app请求的版本号 与客户端ip
 * @author 张治保
 * date 2021/12/3
 */
@Slf4j
@Component
@Order(FilterOrders.PLATFORM)
public class SystemFilter extends AbstractServletFilter {

    @Override
    public void doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws IOException, ServletException {
        log.info("Version Filter");
        String version = request.getHeader(Headers.VERSION);
        if (StrUtil.isNotBlank(version)){
            VersionContextHolder.set(version);
        }
        String ip = request.getHeader(Headers.IP);
        if (StrUtil.isNotBlank(ip)){
            IPContextHolder.set(ip);
        }
        filterChain.doFilter(request,response);
        VersionContextHolder.clear();
        IPContextHolder.clear();
    }
}
